Earthquakes
The crust and upper area of the mantle, consists of large pieces called...
What is the LITHOSPHERE?
Scientist believe that at one time the earth could have been a single large landmass that they call...
What is PANGAEA?
Takes place below the surface of the earth
What is an EARTHQUAKE?
Molten rock that explodes out of the earth's surface
What is called MAGMA?
Places where a pool of intensely hot magma rises to the surface are called
What are HOT SPOTS?
Places where the plates meet
What is PLATE BOUNDARIES?
Waves of energy are sent out from the...
What is the FOCUS?
A machine used to detect time and measure the movements of the earth
What is a SEISMOGRAPH?
Forms where a crack in the earth's crust allows magma and gases to come to the surface
What is a VOLCANO?
Layers of hardened lava. A mixture of cinders, ash, and rock.
What is TEPHRA?
Breaks in the earth's surface along which rock can move
What are FAULTS?
The point on the surface of the earth directly above the focus is called...
What is the EPICENTER?
The strength of the seismic waves of an earthquake is called
What is MAGNITUDE?
Scientists who study volcanoes
What are VOLCANOLOGISTS?
An avalanche of of red-hot dust and gases which race down the side of the volcanoe
What is a PYROCLASTIC FLOW?
The idea that the earth's crust is made up moving plates
What is PLATE TECTONICS?
Scientist who study the movement of the earth
What are SEISMOLOGIST?
A scale used to measure the magnitude of an earthquake
What is the RICHTER SCALE?
What is a MAGMA CHAMBER?
Old Faithful is an example of this
What is a GEYSER?
What are the 3 main parts of the earth?
What are MANTLE, INNER CORE, OUTER CORE?
Vibrations that flow out from the focus in all directions
What are SEISMIC WAVES?
An earthquake, a volcano, or landslide near the ocean can cause a series of giant waves called...
What is a TSUNAMI?
When the magma breaks the surface it is called
What is LAVA?
Occurs when part of the mountain collapses and mud and rock fragments surge down the mountain.
What is a debris flow?